Sony CXG1127ER Datasheet
CXG1127ER
High Power 5
Description
The CXG1127ER is a high power antenna switch
MMIC for PDC 800MHz and 1.5GHz dual phone. The
CXG1127ER is suited to connect 2Tx/3Rx to one of
4 antennas. The CXG1127ER has on-chip logic
circuit for operation with 5 CMOS inputs. The Sony’s
GaAs J-FET process is used for low insertion loss and
low voltage operation.
Features
• Low insertion loss: 0.45dB @900MHz, 0.55dB @1.5GHz
• High linearity: Harmonic < – 65dBc
• CMOS compatible input control
• Small package: 24-pin VQFN (4.0mm × 4.0mm)
Applications
5 × 4 antenna switch for digital cellular such as PDC handsets
××
× 4 Antenna Switch MMIC with Integrated Control Logic for PDC Dual Phone
××
24 pin VQFN (Plastic)
Structure
GaAs J-FET MMIC
Absolute Maximum Ratings (Ta = 25°C)
• Bias voltage VDD 7V
• Control voltage VDD 5V
• Operating temperature Topr –35 to +85 °C
• Storage temperature Tstg –65 to +150 °C
GaAs MMICs are ESD sensitive devices. Special handling precautions are required.
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
– 1 –
E01743-PS
Block Diagram
CXG1127ER
Tx1
F1
Ant4
F21
GND4A
F22
GND4B GND3
F9
Rx1 Ant2
F10
Rx2 GND2
F11
Rx3 Ant1
F20
F3
F5
Tx2
F12
F2
F4
F6
F16
GND 1B
Ant3
F8
F17
F14F15
GND 1A
– 2 –
Pin Configuration/Recommended Circuit
CXG1127ER
CTLD/GND4B
Rx1
CTLE
Rx2
open
Z4B
Cbypass
(100pF)
RF
(100pF)
C
GND
13
14
15
16
17
GND4A
Z4A
12
Ant4
GND
(100pF)
RF
C
Tx1
GND
(100pF)
RF
C
7891011
Tx2
(100pF)
RF
C
6
5
4
3
2
RF
C
RF
C
(100pF)
Z3
GND
(100pF)
Z2
Ant3
GND3
Ant2
GND2
Rx3
RF
C
(100pF)
18
Cbypass
CTLC
(100pF)
CTLB
Cbypass
(100pF)
Cbypass
CTLA
(100pF)
DD
V
Cbypass
(100pF)
Z1B
GND1B
1
242322212019
Z1A
GND1A
When using this IC, the following external components should be used:
CRF: This capacitor is used for RF de-coupling and must be used for all applications.
100pF is recommended.
Cbypass: This capacitor is used for DC line filtering. 100pF is recommended.
In the case that Rx1 is not used, the processing of the pin is as follows:
• Rx1 is recommended to be open.
• CTLD/GNG4B should be grounded as a DC.
RF
C
(100pF)
Ant1
– 3 –
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